Black-bellied Sandgrouse vs Tibetan Sandgrouse
Pterocles orientalis 对比 Syrrhaptes tibetanus
Side-by-Side Comparison
| 属性 | Black-bellied Sandgrouse | Tibetan Sandgrouse |
|---|---|---|
| 学名 | Pterocles orientalis | Syrrhaptes tibetanus |
| 目 | Pterocliformes | Pterocliformes |
| 科 | Pteroclidae | Pteroclidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 45.6 cm (18.0 in) | 49.8 cm (19.6 in) |
| 体重 | 427.5 g (15.08 oz) | 347.0 g (12.24 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black-bellied Sandgrouse
Loud, carrying call with resonant quality; deep notes carrying well across open dry terrain. Vocalization pattern typical of this species in its native habitat.
Tibetan Sandgrouse
Melodic, rolling call with resonant quality; rich musical notes building in sequence across open terrain.
保护状况
Black-bellied Sandgrouse
Tibetan Sandgrouse
How to Tell Them Apart
Black-bellied Sandgrouse
Black-bellied Sandgrouse: males with black belly; sandy-spotted above; chestnut and black neck bands; white flanks; very dimorphic
Tibetan Sandgrouse
Tibetan Sandgrouse: males with orange face; black collar; buff-brown above; gray underparts; pin-like outer tail; high altitude species
About These Birds
Black-bellied Sandgrouse
黑腹沙鸡（约360克）雄鸟具有复杂的棕色、黑色和黄色羽毛及黑色腹部。广布于中亚至伊比利亚半岛的干旱和半干旱草地及荒漠。以种子为食，常长距离飞至水源饮水，雄鸟会用腹部羽毛向雏鸟运水。近危；因农业变化和干旱导致草地退化而面临威胁。
Tibetan Sandgrouse
Tibetan Sandgrouse (Syrrhaptes tibetanus) — 44–50 cm. Pale sandy-grey plumage cryptically patterned; feathered feet and toes; long central tail feathers; small head. Inhabits open alpine steppe, high plateaus, and rocky desert above 3,500–5,500 m in Tibet, Nepal, and central Asia. Granivore; drinks from high-altitude streams. Flocks in winter.